Michael might not object to being called scary. Even other members of the Heavenly Host had feared him. It would be understandable for something lesser than an angel in his eyes to feel the same way, though he's also noticed people don't tend to see Adam as particularly threatening.

"There are hunters in the Free Cities. If the city is free of monsters, then they're doing their job adequately."

Or is it just hunter singular these days? He's a little less loathe to give credit where it's due, now that he knows Dean more intimately than he's cared to since the Apocalypse. Sounds as though he keeps whatever monsters lurk his section of the continent away from populated areas.